flatpak-build-init - Initialize a build directory
flatpak build-init [OPTION...] DIRECTORY APPNAME SDK
Initializes a separate build directory. DIRECTORY is the name of
the directory. APPNAME is the application id of the app that will be built.
SDK and RUNTIME specify the sdk and runtime that the application should be
built against and run in. BRANCH specify the version of sdk and runtime
Initializes a directory as build directory which can be used as
target directory of flatpak build. It creates a metadata inside the
given directory. Additionally, empty files and var subdirectories are
It is an error to run build-init on a directory that has already
been initialized as a build directory.
The following options are understood:
Show help options and exit.
The architecture to use. See flatpak
--supported-arches for architectures supported by the host.
Initialize var from the named runtime.
Initialize /usr with a copy of the sdk, which is writable
during flatpak build. This can be used if you need to install build tools in
/usr during the build. This is stored in the usr subdirectory of the app dir,
but will not be part of the final app.
Add a tag to the metadata file. This option can be used
When using --writable-sdk, in addition to the sdk,
also install the specified extension. This option can be used multiple
Add extension point info.
Specify a custom subdirectory to use instead of usr for
Re-initialize the sdk and var, don't fail if already
Initialize the application with files from another
Specify the version to use for --base. If not
specified, will default to "master".
When using --base, also install the specified
extension from the app. This option can be used multiple times.
This can be used to build different types of things. The
default is "app" which is a regular app, but "runtime"
creates a runtime based on an existing runtime, and "extension"
creates an extension for an app or runtime.
If building an extension, the tag to use when searching
for the mount point of the extension.
Print debug information during command processing.
Print OSTree debug information during command
$ flatpak build-init /build/my-app org.example.myapp
org.gnome.Sdk org.gnome.Platform 3.36